Home / 1,260,805.10-1,739,902.65-716,940.92

Finding the Fourth Proportional to 1,260,805.10, 1,739,902.65 and 716,940.92

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Solution

The fourth proportional to 1,260,805.10, 1,739,902.65 and 716,940.92 is: 989,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,805.10 : 1,739,902.65 = 716,940.92 : x
  2. Step 2: Convert to fraction form
    1,260,805.10/1,739,902.65 = 716,940.92/x
  3. Step 3: Cross multiply
    1,260,805.10x = 1,739,902.65 × 716,940.92
  4. Step 4: Simplify right side
    1,260,805.10x = 1,247,407,397,901.92
  5. Step 5: Solve for x
    x = 1,247,407,397,901.92/1,260,805.10
  6. Step 6: Final answer
    x = 989,373.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.